/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:16:09,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:16:09,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:16:09,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:16:09,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:16:09,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:16:09,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:16:09,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:16:09,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:16:09,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:16:09,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:16:09,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:16:09,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:16:09,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:16:09,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:16:09,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:16:09,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:16:09,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:16:09,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:16:09,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:16:09,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:16:09,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:16:09,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:16:09,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:16:09,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 15:16:09,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 15:16:09,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 15:16:09,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 15:16:09,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 15:16:09,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 15:16:09,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 15:16:09,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 15:16:09,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 15:16:09,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 15:16:09,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 15:16:09,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 15:16:09,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 15:16:09,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 15:16:09,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:16:09,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:16:09,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:16:09,315 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:16:09,372 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:16:09,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:16:09,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:16:09,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:16:09,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:16:09,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:16:09,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:16:09,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:16:09,379 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:16:09,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:16:09,381 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:16:09,381 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:16:09,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:16:09,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:16:09,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:16:09,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:16:09,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:16:09,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:16:09,383 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:16:09,383 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:16:09,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:16:09,383 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:16:09,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:16:09,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:16:09,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:16:09,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:16:09,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:16:09,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:16:09,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:16:09,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:16:09,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:16:09,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:16:09,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:16:09,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:16:09,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:16:09,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:16:09,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:16:09,850 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:16:09,850 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:16:09,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c [2022-10-16 15:16:09,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9a839a9/09c0c3fd1e5944368feaf568550d7b0c/FLAGf79a7afbc [2022-10-16 15:16:10,578 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:16:10,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c [2022-10-16 15:16:10,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9a839a9/09c0c3fd1e5944368feaf568550d7b0c/FLAGf79a7afbc [2022-10-16 15:16:10,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9a839a9/09c0c3fd1e5944368feaf568550d7b0c [2022-10-16 15:16:10,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:16:10,944 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:16:10,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:16:10,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:16:10,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:16:10,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:16:10" (1/1) ... [2022-10-16 15:16:10,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b47543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:10, skipping insertion in model container [2022-10-16 15:16:10,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:16:10" (1/1) ... [2022-10-16 15:16:10,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:16:11,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:16:11,329 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c[8209,8222] [2022-10-16 15:16:11,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:16:11,340 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:16:11,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c[8209,8222] [2022-10-16 15:16:11,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:16:11,408 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:16:11,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:11 WrapperNode [2022-10-16 15:16:11,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:16:11,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:16:11,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:16:11,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:16:11,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:11" (1/1) ... [2022-10-16 15:16:11,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:11" (1/1) ... [2022-10-16 15:16:11,495 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 296 [2022-10-16 15:16:11,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:16:11,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:16:11,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:16:11,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:16:11,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:11" (1/1) ... [2022-10-16 15:16:11,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:11" (1/1) ... [2022-10-16 15:16:11,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:11" (1/1) ... [2022-10-16 15:16:11,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:11" (1/1) ... [2022-10-16 15:16:11,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:11" (1/1) ... [2022-10-16 15:16:11,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:11" (1/1) ... [2022-10-16 15:16:11,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:11" (1/1) ... [2022-10-16 15:16:11,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:11" (1/1) ... [2022-10-16 15:16:11,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:16:11,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:16:11,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:16:11,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:16:11,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:11" (1/1) ... [2022-10-16 15:16:11,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:16:11,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:16:11,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:16:11,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:16:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:16:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:16:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:16:11,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:16:11,824 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:16:11,826 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:16:12,400 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:16:12,410 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:16:12,410 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:16:12,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:12 BoogieIcfgContainer [2022-10-16 15:16:12,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:16:12,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:16:12,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:16:12,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:16:12,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:16:10" (1/3) ... [2022-10-16 15:16:12,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a978d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:16:12, skipping insertion in model container [2022-10-16 15:16:12,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:11" (2/3) ... [2022-10-16 15:16:12,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a978d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:16:12, skipping insertion in model container [2022-10-16 15:16:12,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:12" (3/3) ... [2022-10-16 15:16:12,423 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.BOUNDED-8.pals.c [2022-10-16 15:16:12,445 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:16:12,445 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-10-16 15:16:12,511 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:16:12,521 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@67dde095, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:16:12,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-10-16 15:16:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 97 states have (on average 1.7628865979381443) internal successors, (171), 119 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:12,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 15:16:12,535 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:12,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:12,536 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:12,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:12,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1138004434, now seen corresponding path program 1 times [2022-10-16 15:16:12,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:12,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248815888] [2022-10-16 15:16:12,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:12,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:12,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:12,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:12,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248815888] [2022-10-16 15:16:12,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248815888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:12,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:12,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:16:12,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523174961] [2022-10-16 15:16:12,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:12,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:16:12,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:12,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:16:12,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:16:12,819 INFO L87 Difference]: Start difference. First operand has 120 states, 97 states have (on average 1.7628865979381443) internal successors, (171), 119 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:12,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:12,871 INFO L93 Difference]: Finished difference Result 212 states and 290 transitions. [2022-10-16 15:16:12,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:16:12,874 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 15:16:12,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:12,884 INFO L225 Difference]: With dead ends: 212 [2022-10-16 15:16:12,884 INFO L226 Difference]: Without dead ends: 115 [2022-10-16 15:16:12,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:16:12,892 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:12,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:12,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-10-16 15:16:12,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-10-16 15:16:12,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 93 states have (on average 1.7526881720430108) internal successors, (163), 114 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:12,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 163 transitions. [2022-10-16 15:16:12,940 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 163 transitions. Word has length 10 [2022-10-16 15:16:12,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:12,940 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 163 transitions. [2022-10-16 15:16:12,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2022-10-16 15:16:12,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 15:16:12,941 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:12,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:12,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:16:12,942 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:12,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:12,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1139851476, now seen corresponding path program 1 times [2022-10-16 15:16:12,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:12,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835646280] [2022-10-16 15:16:12,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:12,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:13,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:13,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835646280] [2022-10-16 15:16:13,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835646280] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:13,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:13,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:13,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844036682] [2022-10-16 15:16:13,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:13,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:13,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:13,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:13,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:13,184 INFO L87 Difference]: Start difference. First operand 115 states and 163 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:13,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:13,304 INFO L93 Difference]: Finished difference Result 291 states and 389 transitions. [2022-10-16 15:16:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:16:13,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 15:16:13,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:13,308 INFO L225 Difference]: With dead ends: 291 [2022-10-16 15:16:13,309 INFO L226 Difference]: Without dead ends: 201 [2022-10-16 15:16:13,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:16:13,312 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 113 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:13,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 607 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:13,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-10-16 15:16:13,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 115. [2022-10-16 15:16:13,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 93 states have (on average 1.5053763440860215) internal successors, (140), 114 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:13,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 140 transitions. [2022-10-16 15:16:13,329 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 140 transitions. Word has length 10 [2022-10-16 15:16:13,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:13,330 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 140 transitions. [2022-10-16 15:16:13,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:13,331 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 140 transitions. [2022-10-16 15:16:13,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 15:16:13,332 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:13,332 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:13,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:16:13,333 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:13,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:13,334 INFO L85 PathProgramCache]: Analyzing trace with hash 2141487961, now seen corresponding path program 1 times [2022-10-16 15:16:13,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:13,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819953701] [2022-10-16 15:16:13,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:13,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:13,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:13,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:13,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819953701] [2022-10-16 15:16:13,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819953701] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:13,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:13,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:13,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224303749] [2022-10-16 15:16:13,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:13,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:13,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:13,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:13,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:13,462 INFO L87 Difference]: Start difference. First operand 115 states and 140 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:13,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:13,504 INFO L93 Difference]: Finished difference Result 277 states and 348 transitions. [2022-10-16 15:16:13,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:13,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-10-16 15:16:13,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:13,507 INFO L225 Difference]: With dead ends: 277 [2022-10-16 15:16:13,508 INFO L226 Difference]: Without dead ends: 191 [2022-10-16 15:16:13,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:13,511 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 97 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:13,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 342 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:13,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-10-16 15:16:13,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 171. [2022-10-16 15:16:13,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 149 states have (on average 1.5838926174496644) internal successors, (236), 170 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 236 transitions. [2022-10-16 15:16:13,535 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 236 transitions. Word has length 32 [2022-10-16 15:16:13,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:13,536 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 236 transitions. [2022-10-16 15:16:13,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 236 transitions. [2022-10-16 15:16:13,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 15:16:13,538 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:13,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:13,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:16:13,539 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:13,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:13,540 INFO L85 PathProgramCache]: Analyzing trace with hash 165262742, now seen corresponding path program 1 times [2022-10-16 15:16:13,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:13,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196949552] [2022-10-16 15:16:13,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:13,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:13,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:13,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196949552] [2022-10-16 15:16:13,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196949552] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:13,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:13,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:13,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282348609] [2022-10-16 15:16:13,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:13,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:13,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:13,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:13,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:13,675 INFO L87 Difference]: Start difference. First operand 171 states and 236 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:13,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:13,728 INFO L93 Difference]: Finished difference Result 443 states and 630 transitions. [2022-10-16 15:16:13,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:13,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-10-16 15:16:13,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:13,734 INFO L225 Difference]: With dead ends: 443 [2022-10-16 15:16:13,735 INFO L226 Difference]: Without dead ends: 301 [2022-10-16 15:16:13,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:13,748 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 97 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:13,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 345 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:13,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-10-16 15:16:13,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 279. [2022-10-16 15:16:13,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 257 states have (on average 1.6381322957198443) internal successors, (421), 278 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:13,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 421 transitions. [2022-10-16 15:16:13,809 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 421 transitions. Word has length 47 [2022-10-16 15:16:13,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:13,810 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 421 transitions. [2022-10-16 15:16:13,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 421 transitions. [2022-10-16 15:16:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 15:16:13,812 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:13,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:13,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:16:13,813 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:13,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:13,813 INFO L85 PathProgramCache]: Analyzing trace with hash 761221322, now seen corresponding path program 1 times [2022-10-16 15:16:13,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:13,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559205761] [2022-10-16 15:16:13,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:13,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:13,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:13,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559205761] [2022-10-16 15:16:13,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559205761] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:13,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:13,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:13,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876357400] [2022-10-16 15:16:13,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:13,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:13,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:13,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:13,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:13,922 INFO L87 Difference]: Start difference. First operand 279 states and 421 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:13,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:13,979 INFO L93 Difference]: Finished difference Result 755 states and 1165 transitions. [2022-10-16 15:16:13,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:13,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-10-16 15:16:13,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:13,984 INFO L225 Difference]: With dead ends: 755 [2022-10-16 15:16:13,985 INFO L226 Difference]: Without dead ends: 505 [2022-10-16 15:16:13,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:13,992 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 93 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:13,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 344 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:13,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2022-10-16 15:16:14,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 483. [2022-10-16 15:16:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 461 states have (on average 1.668112798264642) internal successors, (769), 482 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:14,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 769 transitions. [2022-10-16 15:16:14,048 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 769 transitions. Word has length 47 [2022-10-16 15:16:14,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:14,050 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 769 transitions. [2022-10-16 15:16:14,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:14,051 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 769 transitions. [2022-10-16 15:16:14,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 15:16:14,056 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:14,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:14,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:16:14,057 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:14,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:14,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1169860094, now seen corresponding path program 1 times [2022-10-16 15:16:14,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:14,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025607475] [2022-10-16 15:16:14,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:14,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:14,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:14,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025607475] [2022-10-16 15:16:14,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025607475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:14,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:14,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:14,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558977312] [2022-10-16 15:16:14,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:14,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:14,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:14,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:14,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:14,195 INFO L87 Difference]: Start difference. First operand 483 states and 769 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:14,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:14,255 INFO L93 Difference]: Finished difference Result 1343 states and 2169 transitions. [2022-10-16 15:16:14,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:14,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-10-16 15:16:14,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:14,265 INFO L225 Difference]: With dead ends: 1343 [2022-10-16 15:16:14,265 INFO L226 Difference]: Without dead ends: 889 [2022-10-16 15:16:14,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:14,269 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 89 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:14,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 343 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:14,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2022-10-16 15:16:14,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 867. [2022-10-16 15:16:14,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 845 states have (on average 1.681656804733728) internal successors, (1421), 866 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:14,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1421 transitions. [2022-10-16 15:16:14,325 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1421 transitions. Word has length 47 [2022-10-16 15:16:14,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:14,325 INFO L495 AbstractCegarLoop]: Abstraction has 867 states and 1421 transitions. [2022-10-16 15:16:14,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:14,326 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1421 transitions. [2022-10-16 15:16:14,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 15:16:14,331 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:14,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:14,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:16:14,331 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:14,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:14,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1188547700, now seen corresponding path program 1 times [2022-10-16 15:16:14,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:14,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221904489] [2022-10-16 15:16:14,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:14,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:14,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:14,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221904489] [2022-10-16 15:16:14,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221904489] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:14,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:14,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:14,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956405758] [2022-10-16 15:16:14,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:14,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:16:14,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:14,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:16:14,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:14,432 INFO L87 Difference]: Start difference. First operand 867 states and 1421 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:14,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:14,741 INFO L93 Difference]: Finished difference Result 2540 states and 4205 transitions. [2022-10-16 15:16:14,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:16:14,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-10-16 15:16:14,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:14,757 INFO L225 Difference]: With dead ends: 2540 [2022-10-16 15:16:14,757 INFO L226 Difference]: Without dead ends: 2537 [2022-10-16 15:16:14,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:14,759 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 327 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:14,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 252 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:14,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2537 states. [2022-10-16 15:16:14,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2537 to 1683. [2022-10-16 15:16:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1683 states, 1661 states have (on average 1.6646598434677904) internal successors, (2765), 1682 states have internal predecessors, (2765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:14,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2765 transitions. [2022-10-16 15:16:14,881 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2765 transitions. Word has length 47 [2022-10-16 15:16:14,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:14,881 INFO L495 AbstractCegarLoop]: Abstraction has 1683 states and 2765 transitions. [2022-10-16 15:16:14,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:14,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2765 transitions. [2022-10-16 15:16:14,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 15:16:14,882 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:14,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:14,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:16:14,883 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:14,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:14,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1809726635, now seen corresponding path program 1 times [2022-10-16 15:16:14,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:14,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200775804] [2022-10-16 15:16:14,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:14,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:14,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:14,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:14,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200775804] [2022-10-16 15:16:14,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200775804] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:14,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:14,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:14,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202550017] [2022-10-16 15:16:14,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:14,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:16:14,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:14,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:16:14,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:14,968 INFO L87 Difference]: Start difference. First operand 1683 states and 2765 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:15,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:15,209 INFO L93 Difference]: Finished difference Result 2518 states and 4157 transitions. [2022-10-16 15:16:15,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:16:15,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-10-16 15:16:15,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:15,224 INFO L225 Difference]: With dead ends: 2518 [2022-10-16 15:16:15,225 INFO L226 Difference]: Without dead ends: 2515 [2022-10-16 15:16:15,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:15,226 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 326 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:15,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 172 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:15,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2022-10-16 15:16:15,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2499. [2022-10-16 15:16:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2499 states, 2477 states have (on average 1.6394832458619297) internal successors, (4061), 2498 states have internal predecessors, (4061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:15,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 4061 transitions. [2022-10-16 15:16:15,440 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 4061 transitions. Word has length 48 [2022-10-16 15:16:15,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:15,440 INFO L495 AbstractCegarLoop]: Abstraction has 2499 states and 4061 transitions. [2022-10-16 15:16:15,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 4061 transitions. [2022-10-16 15:16:15,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 15:16:15,441 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:15,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:15,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:16:15,442 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:15,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:15,443 INFO L85 PathProgramCache]: Analyzing trace with hash -266950506, now seen corresponding path program 1 times [2022-10-16 15:16:15,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:15,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477192978] [2022-10-16 15:16:15,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:15,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:15,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:15,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477192978] [2022-10-16 15:16:15,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477192978] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:15,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:15,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:16:15,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611874613] [2022-10-16 15:16:15,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:15,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:15,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:15,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:15,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:15,542 INFO L87 Difference]: Start difference. First operand 2499 states and 4061 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:15,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:15,986 INFO L93 Difference]: Finished difference Result 4179 states and 6701 transitions. [2022-10-16 15:16:15,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:16:15,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-16 15:16:15,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:16,010 INFO L225 Difference]: With dead ends: 4179 [2022-10-16 15:16:16,011 INFO L226 Difference]: Without dead ends: 4176 [2022-10-16 15:16:16,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:16:16,013 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 620 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:16,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 353 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:16,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2022-10-16 15:16:16,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 3315. [2022-10-16 15:16:16,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3315 states, 3293 states have (on average 1.6122077133313089) internal successors, (5309), 3314 states have internal predecessors, (5309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:16,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 3315 states and 5309 transitions. [2022-10-16 15:16:16,248 INFO L78 Accepts]: Start accepts. Automaton has 3315 states and 5309 transitions. Word has length 49 [2022-10-16 15:16:16,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:16,248 INFO L495 AbstractCegarLoop]: Abstraction has 3315 states and 5309 transitions. [2022-10-16 15:16:16,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:16,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 5309 transitions. [2022-10-16 15:16:16,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 15:16:16,249 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:16,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:16,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:16:16,250 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:16,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:16,251 INFO L85 PathProgramCache]: Analyzing trace with hash 314469239, now seen corresponding path program 1 times [2022-10-16 15:16:16,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:16,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680571151] [2022-10-16 15:16:16,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:16,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:16,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:16,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:16,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680571151] [2022-10-16 15:16:16,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680571151] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:16,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:16,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:16:16,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737539771] [2022-10-16 15:16:16,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:16,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:16,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:16,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:16,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:16,373 INFO L87 Difference]: Start difference. First operand 3315 states and 5309 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:16,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:16,791 INFO L93 Difference]: Finished difference Result 4163 states and 6653 transitions. [2022-10-16 15:16:16,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:16:16,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-10-16 15:16:16,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:16,815 INFO L225 Difference]: With dead ends: 4163 [2022-10-16 15:16:16,816 INFO L226 Difference]: Without dead ends: 4160 [2022-10-16 15:16:16,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:16:16,822 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 631 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:16,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 258 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:16,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4160 states. [2022-10-16 15:16:17,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4160 to 4131. [2022-10-16 15:16:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4131 states, 4109 states have (on average 1.5840837186663421) internal successors, (6509), 4130 states have internal predecessors, (6509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:17,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 4131 states and 6509 transitions. [2022-10-16 15:16:17,162 INFO L78 Accepts]: Start accepts. Automaton has 4131 states and 6509 transitions. Word has length 50 [2022-10-16 15:16:17,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:17,162 INFO L495 AbstractCegarLoop]: Abstraction has 4131 states and 6509 transitions. [2022-10-16 15:16:17,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:17,163 INFO L276 IsEmpty]: Start isEmpty. Operand 4131 states and 6509 transitions. [2022-10-16 15:16:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 15:16:17,164 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:17,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:17,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:16:17,164 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:17,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:17,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1158612152, now seen corresponding path program 1 times [2022-10-16 15:16:17,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:17,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554092194] [2022-10-16 15:16:17,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:17,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:17,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:17,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554092194] [2022-10-16 15:16:17,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554092194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:17,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:17,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:17,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381745812] [2022-10-16 15:16:17,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:17,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:16:17,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:17,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:16:17,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:16:17,311 INFO L87 Difference]: Start difference. First operand 4131 states and 6509 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:18,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:18,444 INFO L93 Difference]: Finished difference Result 15659 states and 24749 transitions. [2022-10-16 15:16:18,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 15:16:18,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-10-16 15:16:18,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:18,519 INFO L225 Difference]: With dead ends: 15659 [2022-10-16 15:16:18,519 INFO L226 Difference]: Without dead ends: 11557 [2022-10-16 15:16:18,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 15:16:18,528 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 1148 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:18,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1148 Valid, 680 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:16:18,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11557 states. [2022-10-16 15:16:19,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11557 to 8211. [2022-10-16 15:16:19,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8211 states, 8189 states have (on average 1.5373061423861278) internal successors, (12589), 8210 states have internal predecessors, (12589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:19,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8211 states to 8211 states and 12589 transitions. [2022-10-16 15:16:19,270 INFO L78 Accepts]: Start accepts. Automaton has 8211 states and 12589 transitions. Word has length 51 [2022-10-16 15:16:19,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:19,270 INFO L495 AbstractCegarLoop]: Abstraction has 8211 states and 12589 transitions. [2022-10-16 15:16:19,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:19,272 INFO L276 IsEmpty]: Start isEmpty. Operand 8211 states and 12589 transitions. [2022-10-16 15:16:19,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 15:16:19,273 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:19,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:19,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:16:19,274 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:19,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:19,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1557238681, now seen corresponding path program 1 times [2022-10-16 15:16:19,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:19,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487716179] [2022-10-16 15:16:19,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:19,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:19,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:19,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487716179] [2022-10-16 15:16:19,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487716179] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:19,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:19,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:19,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421428678] [2022-10-16 15:16:19,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:19,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:16:19,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:19,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:16:19,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:16:19,428 INFO L87 Difference]: Start difference. First operand 8211 states and 12589 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:20,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:20,421 INFO L93 Difference]: Finished difference Result 11540 states and 17869 transitions. [2022-10-16 15:16:20,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 15:16:20,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 15:16:20,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:20,452 INFO L225 Difference]: With dead ends: 11540 [2022-10-16 15:16:20,452 INFO L226 Difference]: Without dead ends: 11537 [2022-10-16 15:16:20,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 15:16:20,458 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 1206 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:20,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 440 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:16:20,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11537 states. [2022-10-16 15:16:21,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11537 to 11475. [2022-10-16 15:16:21,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11475 states, 11453 states have (on average 1.5182921505282458) internal successors, (17389), 11474 states have internal predecessors, (17389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11475 states to 11475 states and 17389 transitions. [2022-10-16 15:16:21,366 INFO L78 Accepts]: Start accepts. Automaton has 11475 states and 17389 transitions. Word has length 52 [2022-10-16 15:16:21,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:21,366 INFO L495 AbstractCegarLoop]: Abstraction has 11475 states and 17389 transitions. [2022-10-16 15:16:21,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:21,367 INFO L276 IsEmpty]: Start isEmpty. Operand 11475 states and 17389 transitions. [2022-10-16 15:16:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:16:21,367 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:21,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:21,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:16:21,368 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:21,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:21,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1063290016, now seen corresponding path program 1 times [2022-10-16 15:16:21,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:21,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296137150] [2022-10-16 15:16:21,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:21,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:21,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:21,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296137150] [2022-10-16 15:16:21,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296137150] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:21,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:21,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:21,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121022813] [2022-10-16 15:16:21,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:21,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:21,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:21,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:21,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:21,435 INFO L87 Difference]: Start difference. First operand 11475 states and 17389 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:22,346 INFO L93 Difference]: Finished difference Result 26751 states and 40467 transitions. [2022-10-16 15:16:22,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:22,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 15:16:22,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:22,389 INFO L225 Difference]: With dead ends: 26751 [2022-10-16 15:16:22,390 INFO L226 Difference]: Without dead ends: 15305 [2022-10-16 15:16:22,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:22,410 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 60 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:22,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 238 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:22,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15305 states. [2022-10-16 15:16:23,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15305 to 15205. [2022-10-16 15:16:23,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15205 states, 15183 states have (on average 1.4966080484752684) internal successors, (22723), 15204 states have internal predecessors, (22723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15205 states to 15205 states and 22723 transitions. [2022-10-16 15:16:23,613 INFO L78 Accepts]: Start accepts. Automaton has 15205 states and 22723 transitions. Word has length 60 [2022-10-16 15:16:23,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:23,613 INFO L495 AbstractCegarLoop]: Abstraction has 15205 states and 22723 transitions. [2022-10-16 15:16:23,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:23,614 INFO L276 IsEmpty]: Start isEmpty. Operand 15205 states and 22723 transitions. [2022-10-16 15:16:23,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 15:16:23,614 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:23,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:23,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:16:23,615 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:23,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:23,616 INFO L85 PathProgramCache]: Analyzing trace with hash 2117826546, now seen corresponding path program 1 times [2022-10-16 15:16:23,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:23,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106060290] [2022-10-16 15:16:23,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:23,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:23,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:23,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:23,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106060290] [2022-10-16 15:16:23,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106060290] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:23,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:23,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:16:23,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527224443] [2022-10-16 15:16:23,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:23,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:16:23,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:23,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:16:23,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:16:23,867 INFO L87 Difference]: Start difference. First operand 15205 states and 22723 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:24,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:24,905 INFO L93 Difference]: Finished difference Result 30395 states and 45415 transitions. [2022-10-16 15:16:24,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:16:24,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 15:16:24,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:24,944 INFO L225 Difference]: With dead ends: 30395 [2022-10-16 15:16:24,944 INFO L226 Difference]: Without dead ends: 15221 [2022-10-16 15:16:24,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:16:24,964 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 345 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:24,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 330 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:24,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15221 states. [2022-10-16 15:16:25,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15221 to 15205. [2022-10-16 15:16:25,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15205 states, 15183 states have (on average 1.4892313771981822) internal successors, (22611), 15204 states have internal predecessors, (22611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:26,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15205 states to 15205 states and 22611 transitions. [2022-10-16 15:16:26,005 INFO L78 Accepts]: Start accepts. Automaton has 15205 states and 22611 transitions. Word has length 66 [2022-10-16 15:16:26,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:26,005 INFO L495 AbstractCegarLoop]: Abstraction has 15205 states and 22611 transitions. [2022-10-16 15:16:26,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:26,006 INFO L276 IsEmpty]: Start isEmpty. Operand 15205 states and 22611 transitions. [2022-10-16 15:16:26,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 15:16:26,007 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:26,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:26,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:16:26,008 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:26,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:26,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1147189976, now seen corresponding path program 1 times [2022-10-16 15:16:26,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:26,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579140203] [2022-10-16 15:16:26,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:26,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:16:26,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:26,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579140203] [2022-10-16 15:16:26,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579140203] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:26,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:26,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:26,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027302111] [2022-10-16 15:16:26,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:26,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:16:26,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:26,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:16:26,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:26,121 INFO L87 Difference]: Start difference. First operand 15205 states and 22611 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:27,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:27,021 INFO L93 Difference]: Finished difference Result 15244 states and 22654 transitions. [2022-10-16 15:16:27,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:16:27,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 15:16:27,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:27,055 INFO L225 Difference]: With dead ends: 15244 [2022-10-16 15:16:27,056 INFO L226 Difference]: Without dead ends: 15242 [2022-10-16 15:16:27,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:27,061 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 7 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:27,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 402 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:27,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15242 states. [2022-10-16 15:16:27,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15242 to 15242. [2022-10-16 15:16:27,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15242 states, 15220 states have (on average 1.4883048620236532) internal successors, (22652), 15241 states have internal predecessors, (22652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:28,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15242 states to 15242 states and 22652 transitions. [2022-10-16 15:16:28,050 INFO L78 Accepts]: Start accepts. Automaton has 15242 states and 22652 transitions. Word has length 67 [2022-10-16 15:16:28,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:28,051 INFO L495 AbstractCegarLoop]: Abstraction has 15242 states and 22652 transitions. [2022-10-16 15:16:28,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:28,052 INFO L276 IsEmpty]: Start isEmpty. Operand 15242 states and 22652 transitions. [2022-10-16 15:16:28,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:16:28,053 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:28,053 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:28,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:16:28,054 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:28,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:28,054 INFO L85 PathProgramCache]: Analyzing trace with hash -921186925, now seen corresponding path program 1 times [2022-10-16 15:16:28,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:28,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064225018] [2022-10-16 15:16:28,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:28,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:16:28,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:28,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064225018] [2022-10-16 15:16:28,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064225018] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:28,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:28,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:16:28,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330350108] [2022-10-16 15:16:28,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:28,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:16:28,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:28,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:16:28,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:28,151 INFO L87 Difference]: Start difference. First operand 15242 states and 22652 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:28,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:28,994 INFO L93 Difference]: Finished difference Result 15242 states and 22652 transitions. [2022-10-16 15:16:28,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:16:28,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 15:16:28,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:29,026 INFO L225 Difference]: With dead ends: 15242 [2022-10-16 15:16:29,027 INFO L226 Difference]: Without dead ends: 15241 [2022-10-16 15:16:29,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:16:29,033 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 68 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:29,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 131 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:16:29,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15241 states. [2022-10-16 15:16:29,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15241 to 15241. [2022-10-16 15:16:29,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15241 states, 15220 states have (on average 1.480946123521682) internal successors, (22540), 15240 states have internal predecessors, (22540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:29,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15241 states to 15241 states and 22540 transitions. [2022-10-16 15:16:29,984 INFO L78 Accepts]: Start accepts. Automaton has 15241 states and 22540 transitions. Word has length 72 [2022-10-16 15:16:29,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:29,985 INFO L495 AbstractCegarLoop]: Abstraction has 15241 states and 22540 transitions. [2022-10-16 15:16:29,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 15241 states and 22540 transitions. [2022-10-16 15:16:29,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:16:29,987 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:29,988 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:29,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:16:29,988 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:29,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:29,989 INFO L85 PathProgramCache]: Analyzing trace with hash -2066023608, now seen corresponding path program 1 times [2022-10-16 15:16:29,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:29,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004646992] [2022-10-16 15:16:29,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:29,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:16:30,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:30,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004646992] [2022-10-16 15:16:30,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004646992] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:30,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:30,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:30,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276504463] [2022-10-16 15:16:30,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:30,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:16:30,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:30,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:16:30,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:30,108 INFO L87 Difference]: Start difference. First operand 15241 states and 22540 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:31,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:31,073 INFO L93 Difference]: Finished difference Result 20167 states and 30028 transitions. [2022-10-16 15:16:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:16:31,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 15:16:31,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:31,109 INFO L225 Difference]: With dead ends: 20167 [2022-10-16 15:16:31,109 INFO L226 Difference]: Without dead ends: 20164 [2022-10-16 15:16:31,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:31,115 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 153 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:31,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 329 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:31,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20164 states. [2022-10-16 15:16:32,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20164 to 16673. [2022-10-16 15:16:32,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16673 states, 16652 states have (on average 1.4830650972856114) internal successors, (24696), 16672 states have internal predecessors, (24696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16673 states to 16673 states and 24696 transitions. [2022-10-16 15:16:32,193 INFO L78 Accepts]: Start accepts. Automaton has 16673 states and 24696 transitions. Word has length 88 [2022-10-16 15:16:32,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:32,198 INFO L495 AbstractCegarLoop]: Abstraction has 16673 states and 24696 transitions. [2022-10-16 15:16:32,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:32,198 INFO L276 IsEmpty]: Start isEmpty. Operand 16673 states and 24696 transitions. [2022-10-16 15:16:32,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:16:32,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:32,201 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:32,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:16:32,202 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:32,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:32,203 INFO L85 PathProgramCache]: Analyzing trace with hash -905509904, now seen corresponding path program 1 times [2022-10-16 15:16:32,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:32,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186647637] [2022-10-16 15:16:32,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:32,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:16:32,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:32,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186647637] [2022-10-16 15:16:32,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186647637] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:32,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:32,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:32,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309115542] [2022-10-16 15:16:32,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:32,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:16:32,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:32,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:16:32,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:32,360 INFO L87 Difference]: Start difference. First operand 16673 states and 24696 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:33,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:33,463 INFO L93 Difference]: Finished difference Result 22618 states and 33604 transitions. [2022-10-16 15:16:33,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:16:33,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 15:16:33,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:33,503 INFO L225 Difference]: With dead ends: 22618 [2022-10-16 15:16:33,504 INFO L226 Difference]: Without dead ends: 22615 [2022-10-16 15:16:33,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:33,510 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 147 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:33,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 335 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:33,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22615 states. [2022-10-16 15:16:35,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22615 to 22585. [2022-10-16 15:16:35,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22585 states, 22564 states have (on average 1.4828931040595639) internal successors, (33460), 22584 states have internal predecessors, (33460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22585 states to 22585 states and 33460 transitions. [2022-10-16 15:16:35,091 INFO L78 Accepts]: Start accepts. Automaton has 22585 states and 33460 transitions. Word has length 90 [2022-10-16 15:16:35,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:35,091 INFO L495 AbstractCegarLoop]: Abstraction has 22585 states and 33460 transitions. [2022-10-16 15:16:35,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:35,091 INFO L276 IsEmpty]: Start isEmpty. Operand 22585 states and 33460 transitions. [2022-10-16 15:16:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:16:35,096 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:35,096 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:35,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:16:35,097 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:35,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:35,097 INFO L85 PathProgramCache]: Analyzing trace with hash 2114418250, now seen corresponding path program 1 times [2022-10-16 15:16:35,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:35,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555771035] [2022-10-16 15:16:35,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:35,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:35,229 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:16:35,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:35,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555771035] [2022-10-16 15:16:35,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555771035] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:35,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:35,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:16:35,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76801925] [2022-10-16 15:16:35,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:35,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:35,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:35,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:35,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:35,232 INFO L87 Difference]: Start difference. First operand 22585 states and 33460 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:36,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:36,232 INFO L93 Difference]: Finished difference Result 22618 states and 33460 transitions. [2022-10-16 15:16:36,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:16:36,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 15:16:36,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:36,267 INFO L225 Difference]: With dead ends: 22618 [2022-10-16 15:16:36,267 INFO L226 Difference]: Without dead ends: 22615 [2022-10-16 15:16:36,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:16:36,272 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 356 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:36,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 412 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:36,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22615 states. [2022-10-16 15:16:37,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22615 to 20273. [2022-10-16 15:16:37,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20273 states, 20252 states have (on average 1.4902231878333003) internal successors, (30180), 20272 states have internal predecessors, (30180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20273 states to 20273 states and 30180 transitions. [2022-10-16 15:16:37,145 INFO L78 Accepts]: Start accepts. Automaton has 20273 states and 30180 transitions. Word has length 90 [2022-10-16 15:16:37,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:37,145 INFO L495 AbstractCegarLoop]: Abstraction has 20273 states and 30180 transitions. [2022-10-16 15:16:37,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 20273 states and 30180 transitions. [2022-10-16 15:16:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:16:37,147 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:37,147 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:37,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:16:37,148 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:37,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:37,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1173786006, now seen corresponding path program 1 times [2022-10-16 15:16:37,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:37,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795946263] [2022-10-16 15:16:37,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:37,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:37,308 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:16:37,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:37,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795946263] [2022-10-16 15:16:37,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795946263] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:37,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:37,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:16:37,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910388238] [2022-10-16 15:16:37,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:37,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:37,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:37,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:37,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:37,311 INFO L87 Difference]: Start difference. First operand 20273 states and 30180 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:38,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:38,742 INFO L93 Difference]: Finished difference Result 26085 states and 38408 transitions. [2022-10-16 15:16:38,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:16:38,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 15:16:38,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:38,793 INFO L225 Difference]: With dead ends: 26085 [2022-10-16 15:16:38,793 INFO L226 Difference]: Without dead ends: 26082 [2022-10-16 15:16:38,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:16:38,805 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 354 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:38,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 432 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:38,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26082 states. [2022-10-16 15:16:40,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26082 to 26049. [2022-10-16 15:16:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26049 states, 26028 states have (on average 1.4682649454433687) internal successors, (38216), 26048 states have internal predecessors, (38216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26049 states to 26049 states and 38216 transitions. [2022-10-16 15:16:40,268 INFO L78 Accepts]: Start accepts. Automaton has 26049 states and 38216 transitions. Word has length 90 [2022-10-16 15:16:40,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:40,268 INFO L495 AbstractCegarLoop]: Abstraction has 26049 states and 38216 transitions. [2022-10-16 15:16:40,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:40,269 INFO L276 IsEmpty]: Start isEmpty. Operand 26049 states and 38216 transitions. [2022-10-16 15:16:40,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:16:40,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:40,271 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:40,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:16:40,272 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:40,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:40,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1993964377, now seen corresponding path program 1 times [2022-10-16 15:16:40,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:40,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335035487] [2022-10-16 15:16:40,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:40,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:40,381 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:16:40,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:40,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335035487] [2022-10-16 15:16:40,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335035487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:40,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:40,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:40,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419883428] [2022-10-16 15:16:40,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:40,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:16:40,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:40,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:16:40,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:40,383 INFO L87 Difference]: Start difference. First operand 26049 states and 38216 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:41,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:41,583 INFO L93 Difference]: Finished difference Result 26064 states and 38216 transitions. [2022-10-16 15:16:41,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:16:41,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 15:16:41,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:41,615 INFO L225 Difference]: With dead ends: 26064 [2022-10-16 15:16:41,615 INFO L226 Difference]: Without dead ends: 26061 [2022-10-16 15:16:41,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:41,622 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 149 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:41,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 262 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:41,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26061 states. [2022-10-16 15:16:42,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26061 to 26046. [2022-10-16 15:16:42,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26046 states, 26028 states have (on average 1.4571999385277394) internal successors, (37928), 26045 states have internal predecessors, (37928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26046 states to 26046 states and 37928 transitions. [2022-10-16 15:16:42,891 INFO L78 Accepts]: Start accepts. Automaton has 26046 states and 37928 transitions. Word has length 91 [2022-10-16 15:16:42,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:42,892 INFO L495 AbstractCegarLoop]: Abstraction has 26046 states and 37928 transitions. [2022-10-16 15:16:42,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand 26046 states and 37928 transitions. [2022-10-16 15:16:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:16:42,894 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:42,894 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:42,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:16:42,894 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:42,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:42,895 INFO L85 PathProgramCache]: Analyzing trace with hash -2027627485, now seen corresponding path program 1 times [2022-10-16 15:16:42,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:42,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954264268] [2022-10-16 15:16:42,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:42,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:16:43,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:43,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954264268] [2022-10-16 15:16:43,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954264268] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:43,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:43,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:16:43,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004704126] [2022-10-16 15:16:43,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:43,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:43,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:43,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:43,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:43,025 INFO L87 Difference]: Start difference. First operand 26046 states and 37928 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:44,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:44,604 INFO L93 Difference]: Finished difference Result 35874 states and 52904 transitions. [2022-10-16 15:16:44,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:16:44,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 15:16:44,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:44,650 INFO L225 Difference]: With dead ends: 35874 [2022-10-16 15:16:44,650 INFO L226 Difference]: Without dead ends: 35871 [2022-10-16 15:16:44,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:16:44,658 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 374 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:44,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 323 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:44,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35871 states. [2022-10-16 15:16:46,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35871 to 33390. [2022-10-16 15:16:46,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33390 states, 33372 states have (on average 1.4594270646050582) internal successors, (48704), 33389 states have internal predecessors, (48704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:46,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33390 states to 33390 states and 48704 transitions. [2022-10-16 15:16:46,315 INFO L78 Accepts]: Start accepts. Automaton has 33390 states and 48704 transitions. Word has length 91 [2022-10-16 15:16:46,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:46,315 INFO L495 AbstractCegarLoop]: Abstraction has 33390 states and 48704 transitions. [2022-10-16 15:16:46,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:46,316 INFO L276 IsEmpty]: Start isEmpty. Operand 33390 states and 48704 transitions. [2022-10-16 15:16:46,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:16:46,318 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:46,318 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:46,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:16:46,318 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:46,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:46,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1683353874, now seen corresponding path program 1 times [2022-10-16 15:16:46,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:46,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625681795] [2022-10-16 15:16:46,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:46,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:46,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:16:46,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:46,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625681795] [2022-10-16 15:16:46,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625681795] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:46,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:46,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:16:46,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227218590] [2022-10-16 15:16:46,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:46,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:16:46,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:46,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:16:46,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:16:46,449 INFO L87 Difference]: Start difference. First operand 33390 states and 48704 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:48,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:48,145 INFO L93 Difference]: Finished difference Result 35874 states and 52376 transitions. [2022-10-16 15:16:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:16:48,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:16:48,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:48,188 INFO L225 Difference]: With dead ends: 35874 [2022-10-16 15:16:48,188 INFO L226 Difference]: Without dead ends: 35871 [2022-10-16 15:16:48,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:16:48,197 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 354 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:48,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 412 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:48,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35871 states. [2022-10-16 15:16:49,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35871 to 35838. [2022-10-16 15:16:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35838 states, 35820 states have (on average 1.458179787828029) internal successors, (52232), 35837 states have internal predecessors, (52232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35838 states to 35838 states and 52232 transitions. [2022-10-16 15:16:49,843 INFO L78 Accepts]: Start accepts. Automaton has 35838 states and 52232 transitions. Word has length 92 [2022-10-16 15:16:49,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:49,844 INFO L495 AbstractCegarLoop]: Abstraction has 35838 states and 52232 transitions. [2022-10-16 15:16:49,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 35838 states and 52232 transitions. [2022-10-16 15:16:49,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:16:49,846 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:49,846 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:49,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:16:49,847 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:49,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:49,847 INFO L85 PathProgramCache]: Analyzing trace with hash -673364454, now seen corresponding path program 1 times [2022-10-16 15:16:49,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:49,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295977572] [2022-10-16 15:16:49,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:49,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:16:49,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:49,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295977572] [2022-10-16 15:16:49,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295977572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:49,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:49,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:16:49,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459590508] [2022-10-16 15:16:49,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:49,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:16:49,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:49,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:16:49,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:49,973 INFO L87 Difference]: Start difference. First operand 35838 states and 52232 transitions. Second operand has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:51,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:51,864 INFO L93 Difference]: Finished difference Result 40764 states and 59864 transitions. [2022-10-16 15:16:51,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:16:51,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:16:51,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:51,917 INFO L225 Difference]: With dead ends: 40764 [2022-10-16 15:16:51,917 INFO L226 Difference]: Without dead ends: 40761 [2022-10-16 15:16:51,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:16:51,928 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 193 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:51,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 425 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:16:51,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40761 states. [2022-10-16 15:16:53,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40761 to 35838. [2022-10-16 15:16:53,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35838 states, 35820 states have (on average 1.4461194863204914) internal successors, (51800), 35837 states have internal predecessors, (51800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:53,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35838 states to 35838 states and 51800 transitions. [2022-10-16 15:16:53,834 INFO L78 Accepts]: Start accepts. Automaton has 35838 states and 51800 transitions. Word has length 92 [2022-10-16 15:16:53,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:53,834 INFO L495 AbstractCegarLoop]: Abstraction has 35838 states and 51800 transitions. [2022-10-16 15:16:53,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 35838 states and 51800 transitions. [2022-10-16 15:16:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:16:53,836 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:53,837 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:53,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 15:16:53,837 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:53,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:53,837 INFO L85 PathProgramCache]: Analyzing trace with hash -2089766580, now seen corresponding path program 1 times [2022-10-16 15:16:53,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:53,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247103143] [2022-10-16 15:16:53,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:53,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 15:16:53,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:53,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247103143] [2022-10-16 15:16:53,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247103143] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:53,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:53,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:53,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628359844] [2022-10-16 15:16:53,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:53,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:16:53,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:53,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:16:53,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:16:53,989 INFO L87 Difference]: Start difference. First operand 35838 states and 51800 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:55,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:16:55,727 INFO L93 Difference]: Finished difference Result 72795 states and 105012 transitions. [2022-10-16 15:16:55,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 15:16:55,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:16:55,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:16:55,778 INFO L225 Difference]: With dead ends: 72795 [2022-10-16 15:16:55,778 INFO L226 Difference]: Without dead ends: 37025 [2022-10-16 15:16:55,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:16:55,825 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 612 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:16:55,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 502 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:16:55,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37025 states. [2022-10-16 15:16:57,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37025 to 35838. [2022-10-16 15:16:57,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35838 states, 35820 states have (on average 1.4436627582356225) internal successors, (51712), 35837 states have internal predecessors, (51712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35838 states to 35838 states and 51712 transitions. [2022-10-16 15:16:57,964 INFO L78 Accepts]: Start accepts. Automaton has 35838 states and 51712 transitions. Word has length 92 [2022-10-16 15:16:57,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:16:57,965 INFO L495 AbstractCegarLoop]: Abstraction has 35838 states and 51712 transitions. [2022-10-16 15:16:57,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:16:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 35838 states and 51712 transitions. [2022-10-16 15:16:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:16:57,971 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:16:57,971 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:16:57,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:16:57,972 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:16:57,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:16:57,973 INFO L85 PathProgramCache]: Analyzing trace with hash 436417900, now seen corresponding path program 1 times [2022-10-16 15:16:57,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:16:57,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220187486] [2022-10-16 15:16:57,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:16:57,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:16:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:16:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:16:58,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:16:58,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220187486] [2022-10-16 15:16:58,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220187486] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:16:58,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:16:58,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:16:58,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810521993] [2022-10-16 15:16:58,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:16:58,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:16:58,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:16:58,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:16:58,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:16:58,242 INFO L87 Difference]: Start difference. First operand 35838 states and 51712 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:00,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:00,758 INFO L93 Difference]: Finished difference Result 67702 states and 97848 transitions. [2022-10-16 15:17:00,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:17:00,759 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:17:00,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:00,814 INFO L225 Difference]: With dead ends: 67702 [2022-10-16 15:17:00,814 INFO L226 Difference]: Without dead ends: 40156 [2022-10-16 15:17:00,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:17:00,833 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 570 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:00,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 544 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:00,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40156 states. [2022-10-16 15:17:02,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40156 to 40126. [2022-10-16 15:17:03,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40126 states, 40108 states have (on average 1.4296399720753965) internal successors, (57340), 40125 states have internal predecessors, (57340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40126 states to 40126 states and 57340 transitions. [2022-10-16 15:17:03,084 INFO L78 Accepts]: Start accepts. Automaton has 40126 states and 57340 transitions. Word has length 92 [2022-10-16 15:17:03,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:03,085 INFO L495 AbstractCegarLoop]: Abstraction has 40126 states and 57340 transitions. [2022-10-16 15:17:03,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:03,085 INFO L276 IsEmpty]: Start isEmpty. Operand 40126 states and 57340 transitions. [2022-10-16 15:17:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:17:03,087 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:03,087 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:03,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 15:17:03,088 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:17:03,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:03,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1568057740, now seen corresponding path program 1 times [2022-10-16 15:17:03,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:03,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362149691] [2022-10-16 15:17:03,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:03,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:17:03,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:03,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362149691] [2022-10-16 15:17:03,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362149691] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:03,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:03,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:17:03,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071057094] [2022-10-16 15:17:03,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:03,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:17:03,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:03,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:17:03,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:17:03,234 INFO L87 Difference]: Start difference. First operand 40126 states and 57340 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:05,563 INFO L93 Difference]: Finished difference Result 70830 states and 101992 transitions. [2022-10-16 15:17:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:17:05,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:17:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:05,611 INFO L225 Difference]: With dead ends: 70830 [2022-10-16 15:17:05,612 INFO L226 Difference]: Without dead ends: 43284 [2022-10-16 15:17:05,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:17:05,633 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 560 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:05,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 616 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:05,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43284 states. [2022-10-16 15:17:07,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43284 to 43254. [2022-10-16 15:17:07,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43254 states, 43236 states have (on average 1.4220556943288) internal successors, (61484), 43253 states have internal predecessors, (61484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:08,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43254 states to 43254 states and 61484 transitions. [2022-10-16 15:17:08,047 INFO L78 Accepts]: Start accepts. Automaton has 43254 states and 61484 transitions. Word has length 92 [2022-10-16 15:17:08,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:08,048 INFO L495 AbstractCegarLoop]: Abstraction has 43254 states and 61484 transitions. [2022-10-16 15:17:08,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand 43254 states and 61484 transitions. [2022-10-16 15:17:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:17:08,050 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:08,051 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:08,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 15:17:08,051 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:17:08,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:08,052 INFO L85 PathProgramCache]: Analyzing trace with hash -797253644, now seen corresponding path program 1 times [2022-10-16 15:17:08,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:08,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656394640] [2022-10-16 15:17:08,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:08,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:08,179 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:17:08,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:08,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656394640] [2022-10-16 15:17:08,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656394640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:08,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:08,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:17:08,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306041793] [2022-10-16 15:17:08,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:08,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:17:08,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:08,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:17:08,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:08,182 INFO L87 Difference]: Start difference. First operand 43254 states and 61484 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:10,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:10,903 INFO L93 Difference]: Finished difference Result 46751 states and 66432 transitions. [2022-10-16 15:17:10,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:17:10,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:17:10,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:10,964 INFO L225 Difference]: With dead ends: 46751 [2022-10-16 15:17:10,964 INFO L226 Difference]: Without dead ends: 46748 [2022-10-16 15:17:10,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:10,975 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 236 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:10,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 473 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:17:11,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46748 states. [2022-10-16 15:17:13,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46748 to 43254. [2022-10-16 15:17:13,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43254 states, 43236 states have (on average 1.4176149505042095) internal successors, (61292), 43253 states have internal predecessors, (61292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43254 states to 43254 states and 61292 transitions. [2022-10-16 15:17:13,180 INFO L78 Accepts]: Start accepts. Automaton has 43254 states and 61292 transitions. Word has length 92 [2022-10-16 15:17:13,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:13,180 INFO L495 AbstractCegarLoop]: Abstraction has 43254 states and 61292 transitions. [2022-10-16 15:17:13,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 43254 states and 61292 transitions. [2022-10-16 15:17:13,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:17:13,183 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:13,183 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:13,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 15:17:13,184 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:17:13,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:13,185 INFO L85 PathProgramCache]: Analyzing trace with hash 644362875, now seen corresponding path program 1 times [2022-10-16 15:17:13,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:13,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446358044] [2022-10-16 15:17:13,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:13,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:17:13,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:13,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446358044] [2022-10-16 15:17:13,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446358044] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:13,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:13,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:17:13,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979041067] [2022-10-16 15:17:13,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:13,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:17:13,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:13,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:17:13,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:13,348 INFO L87 Difference]: Start difference. First operand 43254 states and 61292 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:15,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:15,970 INFO L93 Difference]: Finished difference Result 53082 states and 76268 transitions. [2022-10-16 15:17:15,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:17:15,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 15:17:15,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:16,036 INFO L225 Difference]: With dead ends: 53082 [2022-10-16 15:17:16,036 INFO L226 Difference]: Without dead ends: 53079 [2022-10-16 15:17:16,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:17:16,048 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 373 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:16,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 334 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:17:16,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53079 states. [2022-10-16 15:17:18,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53079 to 53046. [2022-10-16 15:17:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53046 states, 53028 states have (on average 1.4246813004450478) internal successors, (75548), 53045 states have internal predecessors, (75548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:18,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53046 states to 53046 states and 75548 transitions. [2022-10-16 15:17:18,848 INFO L78 Accepts]: Start accepts. Automaton has 53046 states and 75548 transitions. Word has length 93 [2022-10-16 15:17:18,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:18,848 INFO L495 AbstractCegarLoop]: Abstraction has 53046 states and 75548 transitions. [2022-10-16 15:17:18,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:18,848 INFO L276 IsEmpty]: Start isEmpty. Operand 53046 states and 75548 transitions. [2022-10-16 15:17:18,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:17:18,851 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:18,851 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:18,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 15:17:18,851 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:17:18,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:18,852 INFO L85 PathProgramCache]: Analyzing trace with hash 644053349, now seen corresponding path program 1 times [2022-10-16 15:17:18,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:18,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164564463] [2022-10-16 15:17:18,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:18,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:17:18,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:18,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164564463] [2022-10-16 15:17:18,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164564463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:18,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:18,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:17:18,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002973041] [2022-10-16 15:17:18,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:18,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:17:18,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:18,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:17:18,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:17:18,980 INFO L87 Difference]: Start difference. First operand 53046 states and 75548 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:22,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:22,648 INFO L93 Difference]: Finished difference Result 114399 states and 164028 transitions. [2022-10-16 15:17:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:17:22,648 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 15:17:22,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:22,750 INFO L225 Difference]: With dead ends: 114399 [2022-10-16 15:17:22,750 INFO L226 Difference]: Without dead ends: 70469 [2022-10-16 15:17:22,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:17:22,797 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 639 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:22,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 418 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:22,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70469 states. [2022-10-16 15:17:26,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70469 to 66494. [2022-10-16 15:17:26,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66494 states, 66476 states have (on average 1.4254166917383717) internal successors, (94756), 66493 states have internal predecessors, (94756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:26,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66494 states to 66494 states and 94756 transitions. [2022-10-16 15:17:26,347 INFO L78 Accepts]: Start accepts. Automaton has 66494 states and 94756 transitions. Word has length 93 [2022-10-16 15:17:26,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:26,347 INFO L495 AbstractCegarLoop]: Abstraction has 66494 states and 94756 transitions. [2022-10-16 15:17:26,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:26,347 INFO L276 IsEmpty]: Start isEmpty. Operand 66494 states and 94756 transitions. [2022-10-16 15:17:26,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:17:26,349 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:26,349 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:26,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 15:17:26,349 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:17:26,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:26,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1365150021, now seen corresponding path program 1 times [2022-10-16 15:17:26,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:26,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507593917] [2022-10-16 15:17:26,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:26,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:17:26,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:26,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507593917] [2022-10-16 15:17:26,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507593917] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:26,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:26,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:17:26,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635858132] [2022-10-16 15:17:26,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:26,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:17:26,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:26,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:17:26,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:17:26,480 INFO L87 Difference]: Start difference. First operand 66494 states and 94756 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:30,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:30,998 INFO L93 Difference]: Finished difference Result 148973 states and 214248 transitions. [2022-10-16 15:17:30,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:17:30,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 15:17:30,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:31,136 INFO L225 Difference]: With dead ends: 148973 [2022-10-16 15:17:31,136 INFO L226 Difference]: Without dead ends: 90771 [2022-10-16 15:17:31,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:17:31,177 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 615 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:31,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 435 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:31,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90771 states. [2022-10-16 15:17:35,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90771 to 83670. [2022-10-16 15:17:35,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83670 states, 83652 states have (on average 1.4336537082197676) internal successors, (119928), 83669 states have internal predecessors, (119928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83670 states to 83670 states and 119928 transitions. [2022-10-16 15:17:35,993 INFO L78 Accepts]: Start accepts. Automaton has 83670 states and 119928 transitions. Word has length 93 [2022-10-16 15:17:35,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:35,993 INFO L495 AbstractCegarLoop]: Abstraction has 83670 states and 119928 transitions. [2022-10-16 15:17:35,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:35,994 INFO L276 IsEmpty]: Start isEmpty. Operand 83670 states and 119928 transitions. [2022-10-16 15:17:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:17:35,996 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:35,996 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:35,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 15:17:35,996 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:17:35,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:35,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1499587020, now seen corresponding path program 1 times [2022-10-16 15:17:35,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:35,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385315515] [2022-10-16 15:17:35,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:35,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:17:36,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:36,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385315515] [2022-10-16 15:17:36,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385315515] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:36,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:36,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:17:36,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489300254] [2022-10-16 15:17:36,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:36,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:17:36,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:36,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:17:36,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:17:36,126 INFO L87 Difference]: Start difference. First operand 83670 states and 119928 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:40,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:40,714 INFO L93 Difference]: Finished difference Result 127779 states and 183800 transitions. [2022-10-16 15:17:40,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:17:40,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 15:17:40,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:40,856 INFO L225 Difference]: With dead ends: 127779 [2022-10-16 15:17:40,856 INFO L226 Difference]: Without dead ends: 93492 [2022-10-16 15:17:40,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:17:40,887 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 560 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:40,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 560 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:17:40,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93492 states. [2022-10-16 15:17:45,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93492 to 86118. [2022-10-16 15:17:45,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86118 states, 86100 states have (on average 1.4307084785133566) internal successors, (123184), 86117 states have internal predecessors, (123184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86118 states to 86118 states and 123184 transitions. [2022-10-16 15:17:45,761 INFO L78 Accepts]: Start accepts. Automaton has 86118 states and 123184 transitions. Word has length 94 [2022-10-16 15:17:45,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:45,762 INFO L495 AbstractCegarLoop]: Abstraction has 86118 states and 123184 transitions. [2022-10-16 15:17:45,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:45,762 INFO L276 IsEmpty]: Start isEmpty. Operand 86118 states and 123184 transitions. [2022-10-16 15:17:45,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:17:45,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:45,765 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:45,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 15:17:45,765 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:17:45,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:45,766 INFO L85 PathProgramCache]: Analyzing trace with hash 430068892, now seen corresponding path program 1 times [2022-10-16 15:17:45,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:45,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876483616] [2022-10-16 15:17:45,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:45,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:17:45,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:45,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876483616] [2022-10-16 15:17:45,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876483616] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:45,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:45,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:17:45,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2737514] [2022-10-16 15:17:45,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:45,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:17:45,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:45,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:17:45,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:45,892 INFO L87 Difference]: Start difference. First operand 86118 states and 123184 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:50,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:17:50,169 INFO L93 Difference]: Finished difference Result 95940 states and 137296 transitions. [2022-10-16 15:17:50,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:17:50,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 15:17:50,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:17:50,283 INFO L225 Difference]: With dead ends: 95940 [2022-10-16 15:17:50,283 INFO L226 Difference]: Without dead ends: 95937 [2022-10-16 15:17:50,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:50,299 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 233 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:17:50,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 466 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:17:50,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95937 states. [2022-10-16 15:17:55,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95937 to 93462. [2022-10-16 15:17:55,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93462 states, 93444 states have (on average 1.4284491246093918) internal successors, (133480), 93461 states have internal predecessors, (133480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:55,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93462 states to 93462 states and 133480 transitions. [2022-10-16 15:17:55,467 INFO L78 Accepts]: Start accepts. Automaton has 93462 states and 133480 transitions. Word has length 94 [2022-10-16 15:17:55,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:17:55,467 INFO L495 AbstractCegarLoop]: Abstraction has 93462 states and 133480 transitions. [2022-10-16 15:17:55,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:17:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 93462 states and 133480 transitions. [2022-10-16 15:17:55,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:17:55,469 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:17:55,470 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:17:55,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 15:17:55,470 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:17:55,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:17:55,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1436831932, now seen corresponding path program 1 times [2022-10-16 15:17:55,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:17:55,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81688863] [2022-10-16 15:17:55,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:17:55,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:17:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:17:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:17:55,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:17:55,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81688863] [2022-10-16 15:17:55,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81688863] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:17:55,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:17:55,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:17:55,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989036044] [2022-10-16 15:17:55,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:17:55,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:17:55,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:17:55,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:17:55,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:17:55,590 INFO L87 Difference]: Start difference. First operand 93462 states and 133480 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:00,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:00,559 INFO L93 Difference]: Finished difference Result 108045 states and 154856 transitions. [2022-10-16 15:18:00,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:18:00,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 15:18:00,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:00,709 INFO L225 Difference]: With dead ends: 108045 [2022-10-16 15:18:00,710 INFO L226 Difference]: Without dead ends: 108042 [2022-10-16 15:18:00,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:18:00,733 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 248 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:00,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 568 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:18:00,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108042 states. [2022-10-16 15:18:06,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108042 to 108006. [2022-10-16 15:18:06,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108006 states, 107988 states have (on average 1.430010741934289) internal successors, (154424), 108005 states have internal predecessors, (154424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:06,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108006 states to 108006 states and 154424 transitions. [2022-10-16 15:18:06,898 INFO L78 Accepts]: Start accepts. Automaton has 108006 states and 154424 transitions. Word has length 94 [2022-10-16 15:18:06,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:06,898 INFO L495 AbstractCegarLoop]: Abstraction has 108006 states and 154424 transitions. [2022-10-16 15:18:06,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 108006 states and 154424 transitions. [2022-10-16 15:18:06,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:18:06,918 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:06,919 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:06,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 15:18:06,919 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:18:06,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:06,922 INFO L85 PathProgramCache]: Analyzing trace with hash -766940074, now seen corresponding path program 1 times [2022-10-16 15:18:06,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:06,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242539858] [2022-10-16 15:18:06,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:06,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:07,059 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:18:07,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:07,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242539858] [2022-10-16 15:18:07,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242539858] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:07,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:07,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:18:07,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227042537] [2022-10-16 15:18:07,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:07,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:18:07,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:07,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:18:07,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:18:07,061 INFO L87 Difference]: Start difference. First operand 108006 states and 154424 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:11,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:11,983 INFO L93 Difference]: Finished difference Result 109185 states and 156004 transitions. [2022-10-16 15:18:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:18:11,984 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 15:18:11,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:12,140 INFO L225 Difference]: With dead ends: 109185 [2022-10-16 15:18:12,140 INFO L226 Difference]: Without dead ends: 109182 [2022-10-16 15:18:12,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:18:12,161 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 427 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:12,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 583 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:18:12,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109182 states. [2022-10-16 15:18:17,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109182 to 109158. [2022-10-16 15:18:17,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109158 states, 109140 states have (on average 1.4282206340480117) internal successors, (155876), 109157 states have internal predecessors, (155876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:18,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109158 states to 109158 states and 155876 transitions. [2022-10-16 15:18:18,281 INFO L78 Accepts]: Start accepts. Automaton has 109158 states and 155876 transitions. Word has length 94 [2022-10-16 15:18:18,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:18,281 INFO L495 AbstractCegarLoop]: Abstraction has 109158 states and 155876 transitions. [2022-10-16 15:18:18,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 109158 states and 155876 transitions. [2022-10-16 15:18:18,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:18:18,284 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:18,284 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:18,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 15:18:18,284 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:18:18,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:18,285 INFO L85 PathProgramCache]: Analyzing trace with hash 112220278, now seen corresponding path program 1 times [2022-10-16 15:18:18,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:18,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650480179] [2022-10-16 15:18:18,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:18,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:18:18,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:18,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650480179] [2022-10-16 15:18:18,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650480179] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:18,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:18,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:18:18,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652324552] [2022-10-16 15:18:18,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:18,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:18:18,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:18,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:18:18,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:18:18,423 INFO L87 Difference]: Start difference. First operand 109158 states and 155876 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:23,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:23,453 INFO L93 Difference]: Finished difference Result 110337 states and 157456 transitions. [2022-10-16 15:18:23,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:18:23,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 15:18:23,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:23,713 INFO L225 Difference]: With dead ends: 110337 [2022-10-16 15:18:23,713 INFO L226 Difference]: Without dead ends: 110334 [2022-10-16 15:18:23,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:18:23,745 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 457 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:23,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 523 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:18:23,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110334 states. [2022-10-16 15:18:29,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110334 to 110310. [2022-10-16 15:18:29,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110310 states, 110292 states have (on average 1.4264679215174265) internal successors, (157328), 110309 states have internal predecessors, (157328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:29,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110310 states to 110310 states and 157328 transitions. [2022-10-16 15:18:29,901 INFO L78 Accepts]: Start accepts. Automaton has 110310 states and 157328 transitions. Word has length 94 [2022-10-16 15:18:29,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:29,902 INFO L495 AbstractCegarLoop]: Abstraction has 110310 states and 157328 transitions. [2022-10-16 15:18:29,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:29,902 INFO L276 IsEmpty]: Start isEmpty. Operand 110310 states and 157328 transitions. [2022-10-16 15:18:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:18:29,905 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:29,906 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:29,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 15:18:29,906 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:18:29,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:29,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1656562538, now seen corresponding path program 1 times [2022-10-16 15:18:29,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:29,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74951980] [2022-10-16 15:18:29,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:29,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:18:30,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:30,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74951980] [2022-10-16 15:18:30,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74951980] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:30,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:30,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:18:30,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104535062] [2022-10-16 15:18:30,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:30,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:18:30,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:30,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:18:30,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:18:30,097 INFO L87 Difference]: Start difference. First operand 110310 states and 157328 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:35,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:35,514 INFO L93 Difference]: Finished difference Result 120738 states and 171788 transitions. [2022-10-16 15:18:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:18:35,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 15:18:35,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:35,686 INFO L225 Difference]: With dead ends: 120738 [2022-10-16 15:18:35,686 INFO L226 Difference]: Without dead ends: 120735 [2022-10-16 15:18:35,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:18:35,710 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 443 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:35,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 615 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:18:35,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120735 states. [2022-10-16 15:18:41,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120735 to 120702. [2022-10-16 15:18:42,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120702 states, 120684 states have (on average 1.421331742401644) internal successors, (171532), 120701 states have internal predecessors, (171532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:42,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120702 states to 120702 states and 171532 transitions. [2022-10-16 15:18:42,339 INFO L78 Accepts]: Start accepts. Automaton has 120702 states and 171532 transitions. Word has length 94 [2022-10-16 15:18:42,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:42,340 INFO L495 AbstractCegarLoop]: Abstraction has 120702 states and 171532 transitions. [2022-10-16 15:18:42,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:42,340 INFO L276 IsEmpty]: Start isEmpty. Operand 120702 states and 171532 transitions. [2022-10-16 15:18:42,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 15:18:42,342 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:42,342 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:42,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 15:18:42,342 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:18:42,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:42,342 INFO L85 PathProgramCache]: Analyzing trace with hash 757442973, now seen corresponding path program 1 times [2022-10-16 15:18:42,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:42,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614678617] [2022-10-16 15:18:42,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:42,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:18:42,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:42,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614678617] [2022-10-16 15:18:42,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614678617] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:42,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:42,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:18:42,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007398238] [2022-10-16 15:18:42,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:42,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:18:42,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:42,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:18:42,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:18:42,472 INFO L87 Difference]: Start difference. First operand 120702 states and 171532 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:49,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:18:49,211 INFO L93 Difference]: Finished difference Result 196656 states and 281716 transitions. [2022-10-16 15:18:49,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:18:49,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 15:18:49,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:18:49,439 INFO L225 Difference]: With dead ends: 196656 [2022-10-16 15:18:49,439 INFO L226 Difference]: Without dead ends: 135438 [2022-10-16 15:18:49,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:18:49,499 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 628 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:18:49,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 440 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:18:49,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135438 states. [2022-10-16 15:18:56,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135438 to 130494. [2022-10-16 15:18:56,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130494 states, 130476 states have (on average 1.4247831018731414) internal successors, (185900), 130493 states have internal predecessors, (185900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130494 states to 130494 states and 185900 transitions. [2022-10-16 15:18:56,919 INFO L78 Accepts]: Start accepts. Automaton has 130494 states and 185900 transitions. Word has length 95 [2022-10-16 15:18:56,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:18:56,919 INFO L495 AbstractCegarLoop]: Abstraction has 130494 states and 185900 transitions. [2022-10-16 15:18:56,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:18:56,920 INFO L276 IsEmpty]: Start isEmpty. Operand 130494 states and 185900 transitions. [2022-10-16 15:18:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 15:18:56,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:18:56,921 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:18:56,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 15:18:56,922 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:18:56,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:18:56,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1592117265, now seen corresponding path program 1 times [2022-10-16 15:18:56,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:18:56,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652457915] [2022-10-16 15:18:56,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:18:56,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:18:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:18:57,040 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:18:57,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:18:57,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652457915] [2022-10-16 15:18:57,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652457915] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:18:57,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:18:57,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:18:57,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764540213] [2022-10-16 15:18:57,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:18:57,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:18:57,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:18:57,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:18:57,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:18:57,044 INFO L87 Difference]: Start difference. First operand 130494 states and 185900 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:03,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:19:03,817 INFO L93 Difference]: Finished difference Result 130521 states and 185900 transitions. [2022-10-16 15:19:03,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:19:03,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 15:19:03,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:19:04,006 INFO L225 Difference]: With dead ends: 130521 [2022-10-16 15:19:04,006 INFO L226 Difference]: Without dead ends: 130518 [2022-10-16 15:19:04,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:19:04,033 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 253 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:19:04,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 477 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:19:04,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130518 states. [2022-10-16 15:19:10,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130518 to 125598. [2022-10-16 15:19:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125598 states, 125580 states have (on average 1.4149705367096672) internal successors, (177692), 125597 states have internal predecessors, (177692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125598 states to 125598 states and 177692 transitions. [2022-10-16 15:19:11,406 INFO L78 Accepts]: Start accepts. Automaton has 125598 states and 177692 transitions. Word has length 95 [2022-10-16 15:19:11,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:19:11,406 INFO L495 AbstractCegarLoop]: Abstraction has 125598 states and 177692 transitions. [2022-10-16 15:19:11,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:11,406 INFO L276 IsEmpty]: Start isEmpty. Operand 125598 states and 177692 transitions. [2022-10-16 15:19:11,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 15:19:11,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:19:11,409 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:19:11,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 15:19:11,409 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:19:11,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:19:11,410 INFO L85 PathProgramCache]: Analyzing trace with hash 186169211, now seen corresponding path program 1 times [2022-10-16 15:19:11,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:19:11,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588445040] [2022-10-16 15:19:11,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:19:11,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:19:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:19:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:19:11,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:19:11,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588445040] [2022-10-16 15:19:11,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588445040] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:19:11,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:19:11,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:19:11,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578231772] [2022-10-16 15:19:11,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:19:11,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:19:11,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:19:11,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:19:11,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:19:11,543 INFO L87 Difference]: Start difference. First operand 125598 states and 177692 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:19,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:19:19,458 INFO L93 Difference]: Finished difference Result 226183 states and 324020 transitions. [2022-10-16 15:19:19,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:19:19,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 15:19:19,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:19:19,721 INFO L225 Difference]: With dead ends: 226183 [2022-10-16 15:19:19,721 INFO L226 Difference]: Without dead ends: 153781 [2022-10-16 15:19:19,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:19:19,789 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 428 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:19:19,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 451 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:19:19,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153781 states. [2022-10-16 15:19:27,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153781 to 137534. [2022-10-16 15:19:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137534 states, 137516 states have (on average 1.4342767387067688) internal successors, (197236), 137533 states have internal predecessors, (197236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137534 states to 137534 states and 197236 transitions. [2022-10-16 15:19:28,075 INFO L78 Accepts]: Start accepts. Automaton has 137534 states and 197236 transitions. Word has length 95 [2022-10-16 15:19:28,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:19:28,075 INFO L495 AbstractCegarLoop]: Abstraction has 137534 states and 197236 transitions. [2022-10-16 15:19:28,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 137534 states and 197236 transitions. [2022-10-16 15:19:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 15:19:28,077 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:19:28,077 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:19:28,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 15:19:28,078 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:19:28,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:19:28,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1546829026, now seen corresponding path program 1 times [2022-10-16 15:19:28,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:19:28,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592574299] [2022-10-16 15:19:28,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:19:28,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:19:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:19:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:19:28,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:19:28,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592574299] [2022-10-16 15:19:28,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592574299] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:19:28,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:19:28,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:19:28,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626430908] [2022-10-16 15:19:28,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:19:28,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:19:28,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:19:28,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:19:28,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:19:28,227 INFO L87 Difference]: Start difference. First operand 137534 states and 197236 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:34,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:19:34,957 INFO L93 Difference]: Finished difference Result 138377 states and 198364 transitions. [2022-10-16 15:19:34,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:19:34,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 15:19:34,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:19:35,155 INFO L225 Difference]: With dead ends: 138377 [2022-10-16 15:19:35,155 INFO L226 Difference]: Without dead ends: 138374 [2022-10-16 15:19:35,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:19:35,181 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 415 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:19:35,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 624 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:19:35,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138374 states. [2022-10-16 15:19:42,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138374 to 138350. [2022-10-16 15:19:42,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138350 states, 138332 states have (on average 1.4332764653153283) internal successors, (198268), 138349 states have internal predecessors, (198268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:43,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138350 states to 138350 states and 198268 transitions. [2022-10-16 15:19:43,163 INFO L78 Accepts]: Start accepts. Automaton has 138350 states and 198268 transitions. Word has length 96 [2022-10-16 15:19:43,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:19:43,163 INFO L495 AbstractCegarLoop]: Abstraction has 138350 states and 198268 transitions. [2022-10-16 15:19:43,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:43,163 INFO L276 IsEmpty]: Start isEmpty. Operand 138350 states and 198268 transitions. [2022-10-16 15:19:43,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 15:19:43,165 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:19:43,165 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:19:43,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 15:19:43,166 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:19:43,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:19:43,166 INFO L85 PathProgramCache]: Analyzing trace with hash 979355454, now seen corresponding path program 1 times [2022-10-16 15:19:43,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:19:43,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670813523] [2022-10-16 15:19:43,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:19:43,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:19:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:19:43,682 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:19:43,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:19:43,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670813523] [2022-10-16 15:19:43,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670813523] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:19:43,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:19:43,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:19:43,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050082495] [2022-10-16 15:19:43,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:19:43,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:19:43,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:19:43,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:19:43,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:19:43,685 INFO L87 Difference]: Start difference. First operand 138350 states and 198268 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:19:50,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:19:50,554 INFO L93 Difference]: Finished difference Result 145730 states and 208564 transitions. [2022-10-16 15:19:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:19:50,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 15:19:50,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:19:50,782 INFO L225 Difference]: With dead ends: 145730 [2022-10-16 15:19:50,782 INFO L226 Difference]: Without dead ends: 145727 [2022-10-16 15:19:50,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:19:50,816 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 419 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:19:50,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 652 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:19:50,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145727 states.